César Rosas (born September 26, 1954 in Hermosillo, Mexico) is a singer, songwriter and guitarist for Los Lobos. Rosas also participates in the Latin supergroup Los Super Seven. Perhaps the most recognizable member of Los Lobos, Rosas is known for his trademark black sunglasses and slicked-back, black hair. His singing voice is reminiscent of Chicago electric blues legend Howlin' Wolf. His guitar playing is influenced by Jimi Hendrix.Aside from live shows with Los Lobos, Cesar Rosas has been active as a session musician and sideman during the past several decades. In addition, he has released a solo album in 1999 called Soul Disguise and toured after its release.